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Expression of type Add

from the theory of proveit.physics.quantum.QPE

In [1]:
import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit.numbers import Add, Floor, Mult, Neg, frac, one, two
from proveit.physics.quantum.QPE import _phase, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = frac(one, two)
sub_expr2 = Mult(_two_pow_t, _phase)
expr = Add(sub_expr2, sub_expr1, Neg(Floor(Add(sub_expr2, sub_expr1))))
expr:
In [3]:
# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")
Passed sanity check: expr matches stored_expr
In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
\left(2^{t} \cdot \varphi\right) + \frac{1}{2} - \left\lfloor \left(2^{t} \cdot \varphi\right) + \frac{1}{2}\right\rfloor
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()()('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 9
operands: 1
1ExprTuple11, 12, 2
2Operationoperator: 3
operand: 5
3Literal
4ExprTuple5
5Operationoperator: 6
operand: 8
6Literal
7ExprTuple8
8Operationoperator: 9
operands: 10
9Literal
10ExprTuple11, 12
11Operationoperator: 13
operands: 14
12Operationoperator: 15
operands: 16
13Literal
14ExprTuple17, 18
15Literal
16ExprTuple19, 22
17Operationoperator: 20
operands: 21
18Literal
19Literal
20Literal
21ExprTuple22, 23
22Literal
23Literal